Three yuan double-track two-speed electric steel cable crane speed ratio
6 : 1 & 10 : 1
The two-motor two-speed electric crane is designed as follows:
the fast/slow speed motor and the fast/slow speed brake are independent, and the fast/slow speed switching is performed by the clutch mode.
Low-headroom design keep take up space is smallr
Rugged case design to clear noise & vibration
- Hoist classification standard is CNS C grade、DIN 2m、ISO M5.
- Motor stand is IP54.
- F grade thermal insulation.
- S1 grade w/ thermal protector.
- Test load >125%.
- Brake torque > 150% rated motor torque.
- Motor with test report .
- Hoist brake is AC type better than DC traditional design.
- Hand release is standard.
- Hoist & trolley brake can adjust by using only one screw.
- Automatic adjust brake is option.
Drum design :
- 4/2 Reeving -true vertical design keep hook position is always in center.
- Drum with material certificate.
- Option rope guide can extend rope lifetime.
Safety features :
- Pedant push button with emergency stop is standard.
- Fault phase & wrong phase relay is standard.
- Hook up position limit switch is standard.
- Hook down position limit switch can be assembly when rope guide (option) is installed.
- Digital weight display (option) is available when option load limit (option) is installed.
►►►Overhead Crane – Auto Weighing Device
Mobile phone to read & set data is available now.
Rugged gear case design reduces vibration & noise.
Gear surface grind use.
- Hook safety factor > 5 and w / test report & material certificate.
- With thrust bearing and can be rotated when full load.
- Option V hook can wind more rope on drum.
Self-adjusting center core
- Using a trolley with a self-adjusting center core, the wheels can closely follow the rails.
Power supply : 3 Φ 220/380/415/440/460V 50/60HZ
1. Gear – type limit switch for locating highest and lowest hook position.
2. Overload limit device
3. Extremely wear – resistance rope guide in spheroidal graphite cast iron, high resistance to diagonal pull; no temperature limitations.
4. Using PTC thermistor temperature sensors to monitor or protect the motor.
5. Higher protection class motor and electronic box, like IP65. IP55. IP54 ketc.
6. For even smoother acceleration and infinitely variable travel speeds, a frequency control is available for all mode.
7. Radio remote control system – Portable Transmitter Radio receiver.